Allow non-string values to be used as captcha words (issue #2215)
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 8378332..78e255a 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -93,7 +93,7 @@
// Do we have a "word" yet?
// -----------------------------------
- if ($word === '')
+ if (empty($word))
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$word = '';
@@ -102,6 +102,10 @@
$word .= $pool[mt_rand(0, $mt_rand_max)];
}
}
+ elseif ( ! is_string($word))
+ {
+ $word = (string) $word;
+ }
// -----------------------------------
// Determine angle and position